Start with high-confidence world history books, then narrow by subgenre or adjacent topics.
Sex With Kings
Unknown author
Overdosed America
John Abramson
Paper
Mark Kurlansky
Great Speeches of the 20th Century
Bob Blaisdell
The World
Simon Sebag Montefiore
Pathogenesis
Jonathan Kennedy
The Timetables of History
Bernard Grun, Eva Simpson
World Religions
John Bowker
History
DK, D.K. Publishing
A Short History of Nearly Everything
Bill Bryson
The Renaissance
Will Durant
Prisoners of Geography
Tim Marshall
Shifting Sands
Judith Scheele
Myths and Legends of Ancient Greece and Rome
E.M. Berens
Less Is More
Jason Hickel
Revolution
Enzo Traverso
The Penguin History of the World
J. M. Roberts, Odd Arne Westad
A Short History of the World
H. G. Wells
